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Peaceblinkfriend Posted 18 years ago
Grammar

"... any traces of oxygen that remain thus producing a better vacuum."

Calcium is also used in electronic vacuum tubes because it combines with any traces of oxygen that remain thus producing a better vacuum.

Should it be 'remains' instead?

Thanks

PBF
  

Top answer

Peaceblinkfriend Calcium is also used in electronic vacuum tubes because it combines with any traces of oxygen that remain thus producing a better vacuum. Should it be 'remains' instead? PBF remain because it refers to traces.

— Yoong Liat

  • Peaceblinkfriend Calcium is also used in electronic vacuum tubes because it combines with any traces of oxygen that remain thus producing a better vacuum.
  • Should it be 'remains' instead?
  • PBF remain because it refers to traces.
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2 Answers
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PeaceblinkfriendCalcium is also used in electronic vacuum tubes because it combines with any traces of oxygen that remain thus producing a better vacuum.

Should it be 'remains' instead?

PBF

remain because it refers to traces.
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